?The following is a set of activity-coefficient data for a binary liquid system as

Chapter 13, Problem 13.39

(choose chapter or problem)

The following is a set of activity-coefficient data for a binary liquid system as determined from VLE data:

Inspection of these experimental values suggests that they are noisy, but the question is whether they are consistent, and therefore possibly on average correct.

(a) Find experimental values for  \(G^{E} / R T\) and plot them along with the experimental values of ln \(\ln \gamma_{1} \text { and } \ln \gamma_{2}\) on a single graph.

(b) Develop a valid correlation for the composition dependence of \(G^{E} / R T\) and show lines on the graph of part (a) that represent this correlation for all three of the quantities plotted there.

(c) Apply the consistency test described in Ex. 13.4 to these data, and draw a conclusion with respect to this test.

Text Transcription:

G^E/RT

ln gamma_1 and ln gamma_2

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